Mayo Clinic Minute: Are e cigarettes safe? YouTube How E Cigarettes Affect Your Body In recent years, the number of e cigarette users worldwide has sharply increased, with many believing that vaping is less harmful than smoking traditional cigarettes. However, health experts are warning of its negative E cigarettes less addictive than cigarettes Penn State University Vape Vs E Cigarette E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) US FDA gives marketing nod to an e cigarette for the first time, ETBrandEquity